Granted Patent
Utility
US 4,537,634 · App. 06/667,716
Compounds and their use as insolubilizers for binders for paper coating compositions
Inventor:
William C. Floyd, III
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Nov 2, 1984
Inventor
William C. Floyd, III
Assignee (at issue)
Sun Chemical Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.